dī jí yǔ yán / biān xiě / de / chéng xù / yùn xíng / xiào lǜ / hěn / gāo / dàn / kāi fā / nán dù / jiào dà

低级语言编写的程序运行效率很高，但开发难度较大。

Programs written in low-level languages run efficiently but are more difficult to develop.